How to turn on your Xbox 360 console and Xbox 360 Wireless Controller

To turn on only your Xbox 360 console, press the power button on the console.

To turn on only your Xbox 360 Wireless Controller, press the Start button on the controller.

How to turn off your Xbox 360 console and Xbox 360 Wireless Controller

To turn off your Xbox 360 console and Xbox 360 Wireless Controller, press and hold the Xbox Guide button on the controller for three seconds. Next, select to turn off just the controller or the controller and the console. If you select the console, the console and all connected controllers are turned off.